Function __parse_letters

system/lib/libcxx/src/experimental/tzdb.cpp:447–451

}

[[nodiscard]] static string __parse_letters(istream& __input) {
  string __result = __parse_string(__input);
  // Canonicalize "-" to "" since they are equivalent in the specification.
  return __result != "-" ? __result : "";
}

[[nodiscard]] static __tz::__continuation::__rules_t __parse_rules(istream& __input) {
  int __c = __input.peek();